"No one is harder on a talented person than the person themselves" - Linda Wilkinson ; "Trust your guts and don't follow the herd" ; "Validate direction not destination" ;

November 21, 2015

chi-square test for homogeneity

The chi-square test for homogeneity is a test made to determine whether several populations are similar or equal or homogeneous in some characteristics

This link was useful

I tried the problem provided in the link

Problem - Know how to compute the chi-square homegeniety test statistics.

Step 1 

Step 2

Step 3

1-pchisq(19,df=2) - R Command

Since it is less than 0.05, you reject the null hypothesis

Happy Learning!!!

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